Nextcloud talk ios app not work!

Hello, I was installed nextcloud by docker on my VPS, When i was installed nextcloud talk apps and use nextcloud talk ios app to connect my server, it was allways display connect to your account,when i click Log in bottom ,nothing happen,i user plesk and nginx and installed sll

the web server log

172.18.0.1 - - [06/Apr/2019:13:28:59 +0000] “GET /apps/files HTTP/1.0” 200 9260 “-” “Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36”
172.18.0.1 - - [06/Apr/2019:13:29:00 +0000] “GET /ocs/v2.php/core/navigation/apps?format=json HTTP/1.0” 200 1361 “-” “Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36”
172.18.0.1 - - [06/Apr/2019:13:29:11 +0000] “GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.0” 200 719 “-” “Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36”
172.18.0.1 - - [06/Apr/2019:13:29:41 +0000] “GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.0” 200 719 “-” “Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36”
172.18.0.1 - - [06/Apr/2019:13:30:11 +0000] “GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.0” 200 719 “-” “Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36”
172.18.0.1 - - [06/Apr/2019:13:30:11 +0000] “GET /ocs/v1.php/cloud/capabilities?fomat=json HTTP/1.0” 200 1955 “-” “Mozilla/5.0 (iOS) Nextcloud-Talk v3.4.0”
172.18.0.1 - - [06/Apr/2019:13:30:12 +0000] “GET /index.php/login/flow HTTP/1.0” 200 3138 “-” “iPhone 7s Plus (Nextcloud Talk)”
172.18.0.1 - - [06/Apr/2019:13:30:12 +0000] “GET /core/img/background.png?v=2 HTTP/1.0” 200 102989 “-” “iPhone 7s Plus (Nextcloud Talk)”
172.18.0.1 - - [06/Apr/2019:13:30:12 +0000] “GET /core/js/oc.js?v=40290bad HTTP/1.0” 200 6809 “-” “iPhone 7s Plus (Nextcloud Talk)”
172.18.0.1 - - [06/Apr/2019:13:30:12 +0000] “GET /cron.php HTTP/1.0” 200 909 “-” “iPhone 7s Plus (Nextcloud Talk)”
AH00558: apache2: Could not reliably determine the server’s fully qualified domain name, using 172.18.0.3. Set the ‘ServerName’ directive globally to suppress this message
AH00558: apache2: Could not reliably determine the server’s fully qualified domain name, using 172.18.0.3. Set the ‘ServerName’ directive globally to suppress this message
[Sat Apr 06 13:22:12.252218 2019] [mpm_prefork:notice] [pid 1] AH00163: Apache/2.4.25 (Debian) PHP/7.2.17 configured – resuming normal operations
[Sat Apr 06 13:22:12.252317 2019] [core:notice] [pid 1] AH00094: Command line: ‘apache2 -D FOREGROUND’

I think my issue iOS Talk App won't login, just spins eternally is related to this one potentially, as I see the same behavior. @ivan has tried to help, but when I try to connect, I jsut get an eternal spinner on the logging in screen, and it never goes anywhere.

Did you ever get this resolved?